Home / 12,326.25-18,465.04-8,153.64

Finding the Fourth Proportional to 12,326.25, 18,465.04 and 8,153.64

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Solution

The fourth proportional to 12,326.25, 18,465.04 and 8,153.64 is: 12,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.25 : 18,465.04 = 8,153.64 : x
  2. Step 2: Convert to fraction form
    12,326.25/18,465.04 = 8,153.64/x
  3. Step 3: Cross multiply
    12,326.25x = 18,465.04 × 8,153.64
  4. Step 4: Simplify right side
    12,326.25x = 150,557,224.07
  5. Step 5: Solve for x
    x = 150,557,224.07/12,326.25
  6. Step 6: Final answer
    x = 12,214.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.